Squeaky floors are irritating and can devalue your home if selling. It may also tell your friends and neighbors that you need to care more for your home! Squeaky floors are caused by the separate pieces of the floor (floorboards or the sub floor sheets) rubbing against one another; the intermittent "friction" causes vibrations and therefore, noise. If you prohibit the boards from moving, no squeaks. Here is how to bring back the peace and quiet to home sweet home.